cxa1597m Sony Electronics, cxa1597m Datasheet
cxa1597m
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cxa1597m Summary of contents
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... Recording Equalizer Amplifier for Stereo Cassette Decks Description The CXA1597M bipolar IC developed for recording equalizer amplifier in analog cassette decks suited specifically for double cassette decks. Incorporating the filter circuit greatly reduces the external parts. Features • Built-in filter required for recording equalizer amplifiers • ...
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... I — 50k I — — GND 50k 4 I 50k 13 30k 5 I 15k 30k – 2 – CXA1597M/P = 7.0V –7.0V 5.0V Description Tape speed switching pin. Normal/Double speed switching. High = Double speed Low = Normal DGND speed Tape equalizer amplifier switching (NORM/CrO / 2 METAL switching) pin. ...
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... I — 200 50k O 50k 8 9 200 I — 200 O — – 3 – CXA1597M/P Description Connection pin of an external capacitor for low frequency boost. When low frequency boost 280 is unnecessary, 35.5k connect to GND for positive/ 280 negative dual power supplies; connect a capacitor (3.3µF ...
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... I/O Z (in) Equivalent circuit 54k I 54k 14 30k I — 54k I 54k – 4 – CXA1597M/P Description Recording level calibration pin. High = Recording level gain increased Low = Recording level 2.5V gain reduced Leave this pin 54k open when not using the DGND recording level calibration function ...
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... REC IN pins and then measure the relative deviation from NORM-NS, 315Hz mode. METAL-tape, NORM-speed mode Input a 8kHz signal (–20dB level down) to the REC IN pins and then measure the relative deviation from NORM-NS, 315Hz mode. – 5 – CXA1597M/P (Ta = 25° 7.0V –7.0V Min. ...
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... NORM-NORM mode Input a 1kHz, 0.0dB (reference input level) REC-EQ total harmonic distortion signal and measure the distortion. (Measure the (1kHz, 0.0dB 2.7k ) distortion as THD + N.) Conditions -tape, HIGH-speed mode 2 -tape, HIGH-speed mode 2 -tape, HIGH-speed mode 2 – 6 – CXA1597M/P Min. Typ. Max. Unit 10.4 13.4 16.4 dB –1.3 0.2 1.7 dB 4.0 6.5 9 ...
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... Mode control SPEED control pin voltage Control circuit high level Mode control SPEED control pin voltage Control circuit low level Conditions Min. 57 –500 — –7.0 4.1 –8.9 3.9 –5.9 4.2 2.2 0.0 3.5 0.0 – 7 – CXA1597M/P Typ. Max. Unit 65 — dB 0.0 500 mV –91 –80 dB –5.5 –4.0 dB 6.1 8.1 dB –6.9 –4.9 dB 5.9 7 ...
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... CXA1597M/P ...
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... CXA1597M/P ...
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... GND IGP CALIBRATION , G and G is such that because the current obtained current voltage] all become ratios to the internal resistance, so that – 10 – CXA1597M/P Bias OSC C7 75p GND REC OUT R14 L1 REC HEAD –3dBv 12k 27mH OP4 C5 C6 3.3µ ...
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... A in Fig. 3 are transformed into the following • • • C • • • – 11 – CXA1597M/P current conversion become ...
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... Therefore, A and A take on the following values 0.433 (times) = –7.26 (dB) is approximately 6 dB, so that 6 dB boost can be applied for low frequency oct f 1 Frequency [Hz and Fig. 4. Recording mute waveform – 12 – CXA1597M/P capacitor shown in Fig varied by the P ...
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... G , and described in the Pin Description, which is /Metal tape, NORM/HIGH speeds REC CAL REC CAL f M Frequency [Hz] – 13 – CXA1597M varied relative to the P CAL pin (Pin 16 gain) P gain when the recording P gain P CAL pin (Pin P GP CAL ...
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... Furthermore, the high frequency response indicates a high element sensitivity at the filter because the band-pass filter Q is high. Compared to low frequency, although the unevenness inherent in the IC is more likely to occur, this occurs relatively, and not individually for channels 1 and 2. – 14 – CXA1597M/P ...
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... NORM/HIGH speed) 2 Min. Max. 4 2.2 2.8 0.0 0.5 3 The voltages in the table to the left are the 0.0 0.5 values relative to DGND. Pin voltage H M HIGH SPEED CrO TAPE 2 – 15 – CXA1597M/P GND (Pin 5) DGND (Pin 3) GND GND GND Remarks L NORMAL SPEED 2-state NORMAL TAPE 3-state ...
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... The CXA1597 is basically designed for positive/negative dual power supplies and the BOOST pins cannot be easily connected to GND as in the case of positive/negative dual power supplies. Recording mute ON Attenuation –6.6dB DGND to 0.5V DGND to 0. (Hz) 2 • C • (4. – 16 – CXA1597M/P Recording mute OFF 2.5V 4. 2.5V 4. ...
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... Up Typ. 2. 2. Typ. 2. 2. 2.5V CC CAL pin is matched to the internal reference voltage (2.5V), with P – 17 – CXA1597M Down DGND to 2.5V DGND to 2. Down DGND to 2.5V DGND to 2.5V CAL pin (Pin P ...
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... Frequency response (HIGH speed ±7.0V EE (Tape) (Speed) NORM -HIGH CrO -HIGH 2 METAL-HIGH 100 1k 10k Frequency [Hz] Load characteristics ±7. MODE: NORM-NORM (Tape) (Speed) 0dB = –3dBv (REC OUT pin) THD + 315Hz 1kHz 1k 10k R – Load resistance [ ] L – 18 – CXA1597M/P 100k 100k ...
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... REC MUTE pin voltage [V] Output level vs. Mute voltage 0 –20 –40 –60 6.0 –80 0.5 1.0 REC MUTE pin voltage [V] – 19 – CXA1597M ±7. MODE: NORM-NORM (Tape) (Speed) 100% = 1kHz, + 12dB (at 315Hz, –3dBv 1kHz 3.0 4.0 5.0 6 ±7. MODE: NORM-NORM (Tape) (Speed) 0dB = 1kHz, + 12dB (at 315Hz, – ...
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... NORM-NORM, 315Hz, –23dBv (–20dB) REC CAL & Gp CAL Open 30.0 (Tape) (Speed) Gp CAL = 5.0V Gp CAL = 2.5V Gp CAL = 0.0V 20.0 10.0 REC CAL = 5.0V REC CAL = 2.5V 0.0 REC CAL = 0.0V –10.0 10 100 1k Frequency [Hz] – 20 – = ±7.0V EE (Tape) (Speed) 315Hz 3kHz 8kHz 12kHz 3.0 4.0 5.0 6.0 7.0 8.0 = +7.0V EE (Tape) (Speed) 315Hz 3kHz 8kHz 12kHz 3.0 4.0 5.0 6.0 7.0 10k 100k CXA1597M/P ...
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... Supply voltage vs. Current consumption – Supply voltage [V] CC – 21 – CXA1597M/P 8 ...
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... SOP016-P-0300-A LEAD MATERIAL COPPER ALLOY PACKAGE WEIGHT 0.2g 16PIN DIP (PLASTIC) 300mil + 0.4 19.2 – 0 2.54 PACKAGE STRUCTURE EPOXY RESIN PACKAGE MATERIAL LEAD TREATMENT SOLDER PLATING DIP-16P-01 COPPER DIP016-P-0300-A LEAD MATERIAL PACKAGE WEIGHT Similar to MO-001-AE 1.0 g – 22 – CXA1597M/P + 0.4 1.85 – 0.15 0.15 + 0.2 0.1 – 0.05 0° to 15° ...